| Definitions | ff, tt, P  Q, Rplus-right(x1), Rplus-left(x1), P  Q, Rplus?(x1), Rnone?(x1), if b then t else f fi , Y,   x. t(x), R-sub{i:l}(A; B), prop{i:l}, t  T,  x:A. B(x), x(s), Unit, es_realizer{i:l}, Rrframe(loc; x; L), Rbframe(loc; k; L), Raframe(loc; k; L), Rpre(loc; ds; a; p; P), Rsends(ds; knd; T; l; dt; g), Reffect(loc; ds; knd; T; x; f), Rsframe(lnk; tag; L), Rframe(loc; T; x; L), Rinit(loc; T; x; v), Rplus(left; right), Rnone,  |